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~tE 11 TABLE 1.". Nominai Dimensions,
Permissible V.ariations for NominalSieve Opening,inc
Standards
Alternative
Wire
~
Intermediate Tolerance(z)G
MaximumIndividual Opening(x)
-----------------------------'--------------------------(1) (2) (3) (4)1'oi.fIUlNct4 (5) (6) 125 mm mm 100 mmD 90 mm 75 mm 63 mm 53 mm . 50 mmD 45mm 37.5 mm 31.5 mm 26.5 mm ".--..., 25.0 mmD 22.4 mm 19.0 mm 16.0 mm 13.2 mm 12.5 mmD 11.2 mm 9.5 mm 8.0 mm 6.7 mm D 6.3 5.6 mm 4.75mm 4.00 mm 3.35 mm 2.80mm f 2.36 mm 2.00 :nm 1.70 mm 1.40 mm 1.18 mm 1.00mm • 850 JlmF 710 Jlm 600 11m 500 I,m 425/1m 355 11m 300 Jlm 250 11m 212 Jlm 180 11m 150 i1m 125 Jlm 106j,m 90 /1m 75 Jlm 63 /-1m 53 Jim 45 11m 38 11m 32 pm 251imD 20llmD
leu
mm
5 in. 4.24 in. 4 in.D 3Vz in. 3 in. 4' 2'12 in. 2.12 in. 2 in.D l~in. ~ 1V2in. 11,4in. 1.06 in. 1 in.D 7/. in. •.••• ,,/. in. % in. 0.530 in. '12in.D '/,. in. "Is in. 5/,. in. 0.265 in. V4in.D No. 3'hE ~No.4 NO.5' No.6 NO.7 ·-~No. 8· ....:s:. No. 10 No. 12 No. 14 NO.16 No. 18 ~11 No. 20 No. 25 ~'l> No. 30 No. 35 .--"" No. 40 No. 45 ......--'l> No. 50 No. 60 No. 70 ,_"'to No. ao .---'l> No. lOa -1> No_120 No. 140 No. 170 ~'t> No. 200 No. 230 No. 270 No. 325 No. 400 No. 450 No. 500 No. 635
5 4.24 4 3.5 3 2.5 2.12 2 1.75 1.5 1.25 1.06 1 0.875 0.750 0.625 0.530 0.500 0.438 0.375 0.312 0.265 0.250 0.223 0.187 0.157 0.132 0.11 0.0937 0.0787 0.0661 0.0555 0.0469 0.0394 0.0331 0.0278 0.0234 0.0197 0.Q165 0.0139 0.0117 0.0098 0.0083 0.0070 OOIJS9 0.0049 0.0041 0.0035 0.0029 0.0025 0.0021 0.0017 0.0015 0.0012 0.0010 0.0008
4
j
C1o!b of Standard Tcnt Sieves (U.S.A.) Standard Series
PennissibleVariation of AverageOpening fromthe Standard SieveDesignation(y)
±3.7 mm ±3.2 mm ±3.0 mm ±2.7 mm ±2.2 mm ±L9 mm ±1.6 mm ±1.5 mm ±l.4mm ±1.1 mm ±1.0 mm ±0.8 mm ±0.8 mm ±0.7 mm ±0.6 mm ±0.5 mm ±0.41 mm ±0.39 mm ±O.35mm ±0.30 mm ±0.25 mm ±0.21 mm ±0.20 mm ±0.18 mm ±0.15mm ±0.13 mm ±0.11 mm ±0.095mm ±0.080 mm • ±0.070 mm ±0.060 mm ±0.050 mm ±O.045mm ±0.040mm' ±35 Ilm ±30 Jlm ±25 Jlm ±20 I'm ±19 Jlm ±16/1m ±14/1m ±121Jm ±lO"m ±9 IJm ±811m ±7 Jlm ±611m ±5 I,m ±511m ±4 Jlm ±4/1m ±3 I'm ±3/-1m ±3 Ilm ±3 Jlm ±3 Jlm
130.0mm 110.2mm 104.0mm 93.6 mm 78.1 mm 65.6 mm 55.2 mm 52.1 mm 46.9mm 39.1 mm 32.9 mm 27.7 mm 26.1 mm 23.4 mm 19.9 mm 16.7 mm 13.63mm 13.10mm 11.75mm 9.97 mm 8.41 mm 7.05 mm 6.64 mm 5.90 mm 5.02mm 4.23 mm 3.55 mm 2.975mm 2.515mm 2.135 mrn 1.820mm 1.505mm 1.270mm 1.080mrn 925 Jlm 775 11m 660 11m. 550 Ilm 471 11m 396/101 337 I'm 283 I'm 242 11m 207 Ilm 174/im 147/im 126Jlm 10811m 91 Jlm 77 11m 66 Jlm 57 Jlm 481!m 42 Ilm 34 Jlm 29/1m
130.9mm 111.1mm 104.8mm 94.4 mm 78.7 mm 66.2 mm 55.7 mm 52.6 mm 47.4mm 39.5 mm 33.2 mm 28.0 mm 26.4 mm 23.7 mm 20.1 mm 17.0 mm 14.05mm 13.31mm 11.94mm 10.16mm 8.58 mm 7.20mm 6.78 mm 6.04 mm 5.14mm 4.35 mm 3.66 mm 3.070mm 2.600mm 2.215mm 1.890mm 1.565mm 1.330mm 1.135mm 970 Jlm 815 11m 695"m 585 11m 502 "01 425"m 363 Ilm 3061!m 263 11m 227 11m 192Jlm 163Jlm 141/-1m 12211m 103 Jlm 89 pm 76 1,m 66 /-1m 57 Jlm 50 Jlm 41 Jim 35 Jlm
';I.
NominalWife Diameter,mill"
I I I
(7)
8.00 6.40 6.30 6.08 5.80 ii.50 5.15 5.05 4.85 4.59 4.23 3.90 3.80 3.50 3.30 3.00 2:75 '2':67 2.45 2.27 2.07 1.87. 1.82 i .68 1.54 1.37 1.23 1.10 1.00 0.900 0.1l10 0.725 0.650 0.580 0.510 0.450 0.390 0.340 0.290 0.247 0.215 0.180 0.152 0.131 0.110 O.OSI 0.076 0.064 0.053 0.044 0.037 0.030 0.025 0.028 0.025 0.02~
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.. 51 2.5 I
minal·( ..•••. ·X1.2 1 F.
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ISI. Resp
Su U :base ord f all in!
E~cePta~ oducer theperfo The averagediameterof the warp and of the shootwires, takenseparately.of lhe cloth of any siev~shall '10tdeviatefrom the nominalvaluesby mOleUJBll thf l!lecitied :oilowing: ' I~rchasel A
,
Sievescoarserthan 600 Jlm Sieves600 to 125 Jlm .Sievesfinerthan 125 I'm
5% 7'h'X,
10~,
~speCtiOl
I
l.!IlspectioJ
J
Thesestandarddesignationscorrespondto the valuesfor test sieveaperturesrecommendedby the lnternc.fio:mal StandardsOrganization.Geneva,S'Nitzena¢ . c Onlyapproximatelyequivalentto thE'.!,"etricvaluesin Culumn1. D Thesesievesare not in the standaru"eries but theyhavebeenincludedbecausethey are in commonusagL . 01111. t; Thesenumbers(3% to 635) are the approximatenumberof openingsper linearin. but it is preferredtha: tho sieve00 identifiedby the standarddesifjo'1llll ,. S
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